bismuth-209

isotope of bismuth
Thing isotope_of_bismuth Q18888193
Press Enter · cited answer in seconds

Summary

bismuth-209 is an isotope of bismuth[1]. bismuth-209 draws 263 Wikipedia views per month (isotope_of_bismuth category, ranking #1 of 4).[2]

Key Facts

  • bismuth-209's instance of is recorded as isotope of bismuth[3].
  • bismuth-209's instance of is recorded as radioisotope[4].
  • bismuth-209's instance of is recorded as primordial nuclide[5].
  • bismuth-209's GND ID is recorded as 4145751-1[6].
  • bismuth-209's subclass of is recorded as bismuth[7].
  • bismuth-209's Freebase ID is recorded as /m/02p8gzq[8].
  • bismuth-209's decays to is recorded as thallium-205[9].
  • bismuth-209's atomic number is recorded as {'amount': '+83'}[10].
  • bismuth-209's spin quantum number is recorded as {'amount': '+4.5'}[11].
  • bismuth-209's parity quantum number is recorded as {'amount': '-1'}[12].
  • bismuth-209's neutron number is recorded as {'amount': '+126'}[13].
  • bismuth-209's mass is recorded as {'unit': 'dalton', 'amount': '+208.980398519'}[14].
  • bismuth-209's half-life is recorded as {'unit': 'annum', 'amount': '+19000000000000000000'}[15].
  • bismuth-209's binding energy is recorded as {'unit': 'kiloelectronvolt', 'amount': '+1640229.283'}[16].
  • bismuth-209's mass excess is recorded as {'unit': 'kiloelectronvolt', 'amount': '-18258.662'}[17].
  • bismuth-209's natural abundance is recorded as {'amount': '+1.0'}[18].
  • bismuth-209's Wolfram Language entity code is recorded as Entity["Isotope", "Bismuth209"][19].
  • bismuth-209's KBpedia ID is recorded as Bismuth-209[20].

Why It Matters

bismuth-209 draws 263 Wikipedia views per month (isotope_of_bismuth category, ranking #1 of 4).[2] bismuth-209 has Wikipedia articles in 11 language editions, a strong signal of global cultural recognition.[21] bismuth-209 is known by 11 alternative names across languages and contexts.[22]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . Freebase Data Dumps. wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . NuDat. Retrieved . nndc.bnl.gov. Provenance: wikidata.org.
  10. [12] ↑ . NuDat. Retrieved . nndc.bnl.gov. Provenance: wikidata.org.
  11. [13] ↑ . wikidata.org.
  12. [14] ↑ . The AME2016 atomic mass evaluation (I). Evaluation of input data; and adjustment procedures. Retrieved . amdc.in2p3.fr. Provenance: wikidata.org.
  13. [15] ↑ . wikidata.org.
  14. [16] ↑ . The AME2016 atomic mass evaluation (I). Evaluation of input data; and adjustment procedures. Retrieved . amdc.in2p3.fr. Provenance: wikidata.org.
  15. [17] ↑ . The AME2016 atomic mass evaluation (I). Evaluation of input data; and adjustment procedures. Retrieved . amdc.in2p3.fr. Provenance: wikidata.org.
  16. [18] ↑ . NuDat. Retrieved . nndc.bnl.gov. Provenance: wikidata.org.
  17. [19] ↑ . wikidata.org.
  18. [20] ↑ . KBpedia. Retrieved . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [21] ↑ . Wikidata sitelinks. wikidata.org.
  3. [22] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). bismuth-209. Retrieved October 10, 2026, from https://4ort.xyz/entity/bismuth-209
MLA “bismuth-209.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Oct. 2026, https://4ort.xyz/entity/bismuth-209.
BibTeX @misc{4ortxyz_bismuth-209_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{bismuth-209}}, year = {2026}, url = {https://4ort.xyz/entity/bismuth-209}, note = {Accessed: 2026-10-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): bismuth-209 — https://4ort.xyz/entity/bismuth-209 (retrieved 2026-10-10)

Canonical URL: https://4ort.xyz/entity/bismuth-209 · Last refreshed: